/* $Id$ */
/* Copyright (c) 2011-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Panel */
/* This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. */



#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libintl.h>
#include <System.h>
#include "Panel/applet.h"
#define _(string) gettext(string)
#define N_(string) string


/* Lock */
/* private */
/* types */
typedef struct _PanelApplet
{
	PanelAppletHelper * helper;
	GtkWidget * widget;
} Lock;


/* prototypes */
static Lock * _lock_init(PanelAppletHelper * helper, GtkWidget ** widget);
static void _lock_destroy(Lock * lock);

/* callbacks */
static void _lock_on_clicked(gpointer data);


/* public */
/* variables */
PanelAppletDefinition applet =
{
	N_("Lock screen"),
	"gnome-lockscreen",
	NULL,
	_lock_init,
	_lock_destroy,
	NULL,
	FALSE,
	TRUE
};


/* private */
/* functions */
/* lock_init */
static Lock * _lock_init(PanelAppletHelper * helper, GtkWidget ** widget)
{
	Lock * lock;
	GtkIconSize iconsize;
	GtkWidget * image;

	if((lock = malloc(sizeof(*lock))) == NULL)
	{
		error_set("%s: %s", applet.name, strerror(errno));
		return NULL;
	}
	lock->helper = helper;
	if(helper->lock_dialog == NULL)
	{
		error_set("%s: %s", applet.name, _("Locking is not allowed"));
		return NULL;
	}
	lock->widget = gtk_button_new();
	iconsize = panel_window_get_icon_size(helper->window);
	image = gtk_image_new_from_icon_name(applet.icon, iconsize);
	gtk_button_set_image(GTK_BUTTON(lock->widget), image);
	gtk_button_set_relief(GTK_BUTTON(lock->widget), GTK_RELIEF_NONE);
#if GTK_CHECK_VERSION(2, 12, 0)
	gtk_widget_set_tooltip_text(lock->widget, _("Lock screen"));
#endif
	g_signal_connect_swapped(lock->widget, "clicked", G_CALLBACK(
				_lock_on_clicked), helper);
	gtk_widget_show_all(lock->widget);
	*widget = lock->widget;
	return lock;
}


/* lock_destroy */
static void _lock_destroy(Lock * lock)
{
	gtk_widget_destroy(lock->widget);
	free(lock);
}


/* callbacks */
/* lock_on_clicked */
static void _lock_on_clicked(gpointer data)
{
	PanelAppletHelper * helper = data;

	helper->lock(helper->panel);
}